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Inventor

John Scarlett

Inventor
Spennymoor, GB

Overview

21→
Patents
1978–2001
Patent span
Chemistry
Primary field (CPC C)

Patents· 21 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Cprimary
C07CAcyclic or carbocyclic compounds34%
B01DSeparation13%
C01BNon-metallic elements11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
C07DHeterocyclic compounds5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
A61MDevices for introducing media into, or onto, the body3%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles3%
PatentTitleYear
6,265,624'Process for preparing pentane-1,5-diol'20015,536,856'Production of carboxylic acid ester by esterification and apparatus thereof'19965,406,004'Hydrogenation process for the preparation of alcohols and diols utilizing gas and liquid phases'19955,395,990'Process for the production of alcohols and diols'19955,395,991'Process for the production of alcohols and diols'19955,395,986'Process for the production of cyclohexanedimethanol'19955,387,752'Process for the production of cyclohexanedimethanol'19955,387,753'Process for the preparation of alcohols and diols'19955,157,168'Process for the production of fatty alcohols'19925,138,106'Fatty alcohols'19925,030,609'Process for producing a hydrogenation catalyst of copper chromite'19914,919,765'Process for the purification of tetrahydrofuran'19904,765,869'Process for the production of a dialkyl maleate'19884,751,334'Process for the production of butane-1,4-diol'19884,572,925'Printed circuit boards with solderable plating finishes and method of making the same'19864,384,608'Reverse cycle air conditioner system'19834,274,407'Fluid injection system'19814,216,189'Sulfur dioxide removal process'19804,200,619'Process for purging sodium sulfate from a sulfur dioxide removal system'19804,122,148'Sulfur dioxide removal process'19784,079,119'Sulfur dioxide removal process'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1980Patents assigned to DAVY POWERGAS INC (4)· patent assignee history
1978–1995Based in Spennymoor, GB· patent location history
1978–2001Based in Kirk Merrington, GB· patent location history
1981Based in Southfield, MI, US· patent location history
1983Patents assigned to FORD MOTOR CO (1)· patent assignee history
1983Based in South Pasadena, FL, US· patent location history
1986Based in Galashiels, GB· patent location history
1988–1992Patents assigned to DAVY MCKEE LONDON (6)· patent assignee history
1995Patents assigned to EASTMAN CHEM CO (6)· patent assignee history
1996Patents assigned to DAVY PROCESS TECHN LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAVY MCKEE LONDON61988–1992
EASTMAN CHEM CO61995
DAVY POWERGAS INC41978–1980
DAVY PROCESS TECHN LTD11996
FORD MOTOR CO11983
Locations
LocationPatentsSpan
Spennymoor, GB131978–1995
Kirk Merrington, GB51978–2001
Galashiels, GB11986
South Pasadena, Florida, US11983
Southfield, MI, US11981